You will need the Limited Read People permission to see this information.
Navigate to the person's profile and click on the "Involvement" tab. Then select the "Events" sub-tab. A table containing all events the person has responded to will appear.
The following columns are available:
Event - the name of the event.
Status - the person's response (e.g., Going, Maybe, Not Going).
Date - the date of the event.
Other columns are ID and the time(s).
